Home / 21,291,317.63-29,382,044.45-11,501,761.62

Finding the Fourth Proportional to 21,291,317.63, 29,382,044.45 and 11,501,761.62

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Solution

The fourth proportional to 21,291,317.63, 29,382,044.45 and 11,501,761.62 is: 15,872,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,291,317.63 : 29,382,044.45 = 11,501,761.62 : x
  2. Step 2: Convert to fraction form
    21,291,317.63/29,382,044.45 = 11,501,761.62/x
  3. Step 3: Cross multiply
    21,291,317.63x = 29,382,044.45 × 11,501,761.62
  4. Step 4: Simplify right side
    21,291,317.63x = 337,945,271,114,635.19
  5. Step 5: Solve for x
    x = 337,945,271,114,635.19/21,291,317.63
  6. Step 6: Final answer
    x = 15,872,445.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.